51624853020 has 288 divisors, whose sum is σ = 179379240768. Its totient is φ = 11905376256.

The previous prime is 51624853001. The next prime is 51624853039. The reversal of 51624853020 is 2035842615.

51624853020 is a `hidden beast` number, since 5 + 1 + 62 + 48 + 530 + 20 = 666.

It is an interprime number because it is at equal distance from previous prime (51624853001) and next prime (51624853039).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 9027202 + ... + 9032918.

It is an arithmetic number, because the mean of its divisors is an integer number (622844586).

Almost surely, 2^51624853020 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51624853020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89689620384).

51624853020 is an abundant number, since it is smaller than the sum of its proper divisors (127754387748).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51624853020 is a wasteful number, since it uses less digits than its factorization.

51624853020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5989 (or 5984 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

The spelling of 51624853020 in words is "fifty-one billion, six hundred twenty-four million, eight hundred fifty-three thousand, twenty".